Automatic adapter unit for telephone instruments



J. H. PRAGER May 9, 1967 AUTOMATIC ADAPTER UNIT FOR TELEPHONEINSTRUMENTS Filed Nov. 8, 1963 2 Sheets-Sheet 1 INVENTOR- Jsqo 64 Prayer6 21 G. am ,4/1orney 1967 J. H. PRAGER 3,319,003

AUTOMATIC ADAPTER UNIT FOR TELEPHONE INSTRUMENTS Filed Nov. 8, 1963 2Sheets-Sheet 2 INVEN TOR.

Jase 0k H Prayer /4//orney uASI bIe 4 me pins flied activating v0161011.This switch I acco ctz'o); C

T eXampIe form; electrical indicating means on the n the seated formportion having an energizing circui d removably operable switch forcontrolling said ci i I ing end porbeing operable from the front of saidpl iapted to oc- 5. An adapter unit for a dial telephor and mouthset andreceiving cradle therefor, the; et; a movable ranged with an activatingswitch control -r engagement a housing of shell-like construction ada; dmember in seat on the telephone cradle, said housin; n; acompresplatform portion arranged in the seated nd said mem lie thecradle switch pin and removably .e handset enphone handset thereon;housing end p a non-activatfirom said central portion adapted to p thehandset to respectively adjacent earpiece and moutl on; and meanssupported telephone handset; means 0 energizable to weight of thehandset on said platform f; a the action of ing said pin to actuate saidswitch to a me i thereby move tion; circuit controlling contacts actuatrthe operation of said means; and meal having a handweight operable meansand electricall :adle being arindependently actuate said switch to act)in, comprising: activating positions while the handset is g a centralplat- 6. An adapter unit for a dial telephor *rt the telephone set andreceiving cradle therefor housing ipositely extendand the cradle beingarranged with ani occupy positions control pin, comprising: a housing ofS1 mouthpiece ends tion adapted to removably seat on the centralportion; said housing having a central platform using in a seated in theseated position to overlie the crad .e central portions removablysupport the telephone handset 1; means operable end portions extendingfrom said centra said platform for to occupy positions respectivelyadjaci said switch to a mouthpiece ends of the supported tel ing on saidweight means operable under the weight of the rzable to independplatformfor normally moving said pit and non-activating switch to anon-activating position; picklatforrn. housing having inductivelycoupled con: ringing device; and means acting on saic \Xaminel means andelectrically energizable to inr [ENTS ate said switch to an activatingposition 179--1 is on the platform. 7. An adapter unit for a dialtelephon 179 1 set and receiving cradle therefor, the ranged with atelephone activating sw Mary Examiner comprising: a housing ofshell-like cons to removably seat on the telephone crad Jam-rantExaminer.

1. AN ADAPTER UNIT FOR A DIAL TELEPHONE HAVING A HANDSET AND RECEIVINGCRADLE THEREFOR, THE CRADLE BEING ARRANGED WITH AN ACTIVATING SWITCHCONTROL PIN, COMPRISING: A HOUSING A SHELL-LIKE CONSTRUCTION ADAPTED TOREMOVABLY SEAT ON THE TELEPHONE CRADLE, SAID HOUSING HAVING A CENTRALPLATFORM PORTION ARRANGED IN THE SEATED POSITION TO OVERLIE THE CRADLESWITCH PIN AND REMOVABLY SUPPORT THE TELEPHONE HANDSET THEREON; HOUSINGEND PORTIONS EXTENDING FROM SAID CENTRAL PORTION ADAPTED TO OCCUPYPOSITIONS RESPECTIVELY ADJACENT EARPIECE AND MOUTHPIECE ENDS OF THESUPPORTED TELEPHONE HANDSET; MEANS OPERABLE UNDER THE WEIGHT OF THEHANDSET ON SAID PLATFORM FOR NORMALLY MOVING SAID PIN TO ACTUATE SAIDSWITCH TO A NON-ACTIVATING POSITION; AND MEANS ACTING ON SAID WEIGHTOPERABLE MEANS AND ELECTRICALLY ENERGIZABLE TO INDEPENDENTLY ACTUATESAID SWITCH TO AN ACTIVATING POSITION WHILE THE HANDSET IS ON THEPLATFORM.